56×125简便运算?

如题所述

解:56×125等于( 7000 )
∵已知需求出56×125等于多少
A × B = A × (C × D)= A × E = F
∴56 × 125
= (7 × 8)× 125
= 7 × 8 × 125
= 7 × (8 × 125)
= 7 × 1000
= 7000
答:56×125等于7000
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